<TuiEditor @bind-Value="markdown" Options="options1"></TuiEditor>
<TuiEditor @bind-Value="markdown" Options="options2"></TuiEditor>
@code{
    private string markdown = "# Init Title";
    TuiEditorOptions options1 = new()
    {
        PreviewStyle = "vertical",
        // ToolbarItems = new[] {"heading", "bold", "italic"}
    };
    TuiEditorOptions options2 = new()
    {
        Viewer = true
    };
}